Definition
To cease maintaining or caring for something, such as a house or garden, allowing it to fall into disrepair.
放任不管（房子、花園等）
Since they moved away, the house has been let go, and the lawn is overgrown with weeds.
自從他們搬走後，房子就被放任不管，草坪上長滿了雜草。
She's been too busy with work and has let her garden go for a long time; it's almost unrecognizable now.
她工作太忙，已經很久沒打理她的花園；現在幾乎都認不出來了。
They used to take great care of that house, but they've let it go since they started travelling the world.
他們以前很用心照顧那棟房子，但自從他們開始環遊世界後，就放任不管了。